Italy Budget Plan Assailed as Weak

ROME—Prime Minister Enrico Letta came under fire from all sides Friday over his 2014 budget proposal, which critics say has failed to attack deep-seated problems such as Italy's suffocating tax rates and lack of growth.

Fresh from winning a confidence vote that many believed would strengthen his government, Mr. Letta was attacked by both Italy's business lobby and its unions, while former Prime Minister Mario Monti resigned as head...